Cab Internal Failure: Testing

Turn the ignition on. Disconnect the CAB harness connector. Measure the voltage at pins 9, 24 and 10 of the vehicle harness. Is the voltage between 12 and 16 volts for all three measurements? Yes: Replace the Controller Anti-Lock Brake. See CONTROLLER ANTI-LOCK BRAKE (CAB)  . Perform ABS VERIFICATION TEST VER-1  . No: System voltage must be between 12 and 16 volts. Repair the voltage concern as necessary. Perform ABS VERIFICATION TEST VER-1  .